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Opt Lett. 2005 Jan 15;30(2):156-8.

Manipulation and spectroscopy of a single particle by use of white-light optical tweezers.

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  • 1Department of Electrical Engineering, Pennsylvania State University, University Park, Pennsylvania 16802, USA.


We demonstrate, for the first time to our knowledge, three-dimensional (3D) trapping and manipulation of microscopic objects by use of supercontinuum white light generated from photonic crystal fibers. Furthermore, we show that the supercontinuum white-light optical tweezers used have the unique capability to perform optical scattering spectroscopy of a single 3D trapped object over a broad wavelength range. These novel tweezers can potentially open a promising avenue toward simultaneous manipulation and characterization of microscopic objects.

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